From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753008AbbJERKJ (ORCPT ); Mon, 5 Oct 2015 13:10:09 -0400 Received: from eu-smtp-delivery-143.mimecast.com ([207.82.80.143]:60929 "EHLO eu-smtp-delivery-143.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751303AbbJERCe (ORCPT ); Mon, 5 Oct 2015 13:02:34 -0400 From: "Suzuki K. Poulose" To: linux-arm-kernel@lists.infradead.org Cc: marc.zyngier@arm.com, will.deacon@arm.com, mark.rutland@arm.com, catalin.marinas@arm.com, steve.capper@linaro.org, linux-kernel@vger.kernel.org, andre.przywara@arm.com, dave.martin@arm.com, Vladimir.Murzin@arm.com, james.morse@arm.com, ard.biesheuvel@linaro.org, edward.nevill@linaro.org, aph@redhat.com, "Suzuki K. Poulose" Subject: [PATCH v2 01/22] arm64: Make the CPU information more clear Date: Mon, 5 Oct 2015 18:01:50 +0100 Message-Id: <1444064531-25607-2-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1444064531-25607-1-git-send-email-suzuki.poulose@arm.com> References: <1444064531-25607-1-git-send-email-suzuki.poulose@arm.com> X-OriginalArrivalTime: 05 Oct 2015 17:02:31.0536 (UTC) FILETIME=[9F83B700:01D0FF8F] X-MC-Unique: M35srGFhTrS6RExNZidevA-1 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id t95HAFjZ008976 At early boot, we print the CPU version/revision. On a heterogeneous system, we could have different types of CPUs. Print the CPU info for all active cpus. Also, remove the redundant 'revision' information which doesn't make any sense without the 'variant' field. Signed-off-by: Suzuki K. Poulose --- arch/arm64/kernel/setup.c | 3 +-- arch/arm64/kernel/smp.c | 3 ++- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 6bab21f..60fc9a9 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -202,8 +202,7 @@ static void __init setup_processor(void) u32 cwg; int cls; - printk("CPU: AArch64 Processor [%08x] revision %d\n", - read_cpuid_id(), read_cpuid_id() & 15); + pr_info("Boot CPU: AArch64 Processor [%08x]\n", read_cpuid_id()); sprintf(init_utsname()->machine, ELF_PLATFORM); elf_hwcap = 0; diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index dbdaacd..641f529 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -145,7 +145,8 @@ asmlinkage void secondary_start_kernel(void) cpumask_set_cpu(cpu, mm_cpumask(mm)); set_my_cpu_offset(per_cpu_offset(smp_processor_id())); - printk("CPU%u: Booted secondary processor\n", cpu); + pr_info("CPU%u: Booted secondary processor [%08x]\n", + cpu, read_cpuid_id()); /* * TTBR0 is only used for the identity mapping at this stage. Make it -- 1.7.9.5